package com.leiou.stu_list;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/delAllStu")
public class DelAllStuHandler extends HttpServlet {

    // 处理批量毕业学生请求

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
        resp.setContentType("text/html;charset=UTF-8");
        String[] ids = req.getParameterValues("ids");
        if (ids != null && ids.length > 0) {
            java.util.List<String> idList = java.util.Arrays.asList(ids);
            com.leiou.stu_list.StulistDao stulistDao = new com.leiou.stu_list.StulistDaoImpl();
            int result = stulistDao.deleteStudents(idList);
            System.out.println("---------++++》》》"+idList);

            if (result > 0) {
                resp.getWriter().write("Y");
            } else {
                resp.getWriter().write("N");
            }
        } else {
            resp.getWriter().write("N");
        }
    }
}
